任一刚体的空间运动都可以视为沿某一轴线作螺旋运动。

Spatial motion of a rigid body can be seen as a screw motion of the body along a specific axis.

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任一刚体的空间运动都可以视为沿某一轴线作螺旋运动。

Spatial motion of a rigid body can be seen as a screw motion of the body along a specific axis.

youdao